Abstract:
This paper presents the modeling and performance
analysis of energy regeneration system (ERS) of electric vehicle
with permanent magnet DC motor driving system. Based on the
boost equivalent circuit with average current mode controlled
ERS, a detailed switching model (DSM) is built to predict the
dynamical performance. The DSM includes four blocks: system
dynamics block, permanent magnet DC motor block, boost
converter block and system performance calculation block. An
automatic mechanism of linearizing the nonlinear system at the
local operating point is enrolled to obtain the small signal average
model (SSAM) of ERS, by which the frequency domain
performance can be acquired. The proposed models are
implemented in MATLAB/Simulink. By running the simulation
model, several important performances of ERS are obtained.
